Body Control Module (BCM) - X2

WARNING: This page is about a different car, the 2008 Chevrolet Malibu Classic. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Body Control Module (BCM) X2 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 TN/BK	2500	High Speed GMLAN Serial Data Bus +
2	0.35 TN/BK	2500	High Speed GMLAN Serial Data Bus +
3	0.35 PK/WH	1970	Headlamp Low Beam Relay Control
4	0.35 PU	524	Headlamp Dimmer Switch High Beam Signal
5	0.35 BN/WH	301	Park Lamp Switch Signal
6	L-GN	696	Cruise Control Cancel Signal
7-8	-	-	Not Used
9	0.35 WH	111	Hazard Switch Signal
10	-	-	Not Used
11	0.35 D-GN	264	Security Indicator Signal
12	0.35 L-GN	377	Serial Data
13	0.8 BK/WH	651	Ground
14	0.35 TN	28	Horn Relay Control
15	0.35 WH	103	Headlamp Switch Headlamps on Signal
16	0.35 OG	192	Front Fog Lamp Switch Signal (T96)
17	0.35 PU/WH	549	Headlamp Switch Headlamps Off Signal
18	0.35 WH	5359	5-Volt Reference
19	0.35 TN	2501	High Speed GMLAN Serial Data Bus -
20	0.35 TN	2501	High Speed GMLAN Serial Data Bus -
21-25	-	-	Not Used
26	0.35 D-GN	44	Instrument Panel Lamps Dimmer Switch Signal
27-28	-	-	Not Used
29	0.35 L-GN	5980	Adjustable Pedal Inhibit Signal (JF4)
30	-	-	Not Used
31	0.35 YE	5361	Brake Pedal Position Sensor Signal
32	-	-	Not Used
33	0.35 YE	317	Fog Lamp Relay Control (T96)
34-36	-	-	Not Used
37	0.35 D-GN	5060	Low Speed GMLAN Serial Data
38	0.35 D-GN	5060	Low Speed GMLAN Serial Data
39-43	-	-	Not Used
44	0.35 L-GN/BK	1137	DRL Ambient Light Sensor Signal
45-46	-	-	Not Used
47	0.35 YE/BK	1138	DRL Ambient Light Sensor Low Reference
48-50	-	-	Not Used
51	0.35 BN	1356	Flash To Pass Switch Signal
52-54	-	-	Not Used
55	0.35 D-GN	5060	Low Speed GMLAN Serial Data
56	0.35 WH	1390	Off/Run/Crank Voltage Signal
57	0.35 GY	112	Windshield Wiper Switch Signal 1
58	0.35 PU	719	Low Reference
59	0.35 BN	5360	Low Reference
60	-	-	Not Used
61	0.35 GY	1884	Cruise Control Switch Signal
62	0.35 WH/BK	1073	5-Volt Reference
63	0.35 L-BU/BK	590	Sunload Sensor Signal (C68)
64	0.35 GY	1548	Sunload Sensor Signal (C68)
65	-	-	Not Used
66	0.35 YE/BK	1418	Left Turn Signal Switch Signal
67	0.35 D-GN/WH	1419	Right Turn Signal Switch Signal
68	0.35 L-BU	292	Rear Defog Switch Signal (C60)
69	0.35 D-GN/WH	762	A/C Request Signal (C60)
70-71	-	-	Not Used
72	0.35 TN	683	Rear Defog Relay Control (C60)

Connector Part Information

OEM: 15393121
Service: 88987848
Description: 72-Way F Micro-Pack 64 Series (GY)

Terminal Part Information

Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)